Sökning: "bottom-up theory"
Visar resultat 1 - 5 av 49 avhandlingar innehållade orden bottom-up theory.
Sammanfattning : Food webs are networks of organisms linked by trophic interactions that regulate the responses of ecosystems to environmental change. Such regulation is a result of the effects of resources on the abundance of their consumers (i.e. bottom-up effects) and/or the influence of consumers on the abundance of their resources (i. LÄS MER
2. Freden, friköpen och järnplogarna. Drivkrafter och förändringsprocesser under den agrara revolutionen i Halland 1700 - 1900
Sammanfattning : The thesis studies the agricultural revolution in the province Halland in southwestern Sweden. New tools, land reclamation, new cultivation systems, better livestock, enclosures and free holding during the period 1700-1900 are investigated. The source materials consist of estate inventories, land survey documents and present descriptions. LÄS MER
3. Naturvårdsplanering med förankring i det lokala : Villkor för delaktighet och underifrånperspektiv i vården av värden i odlingslandskapet
Sammanfattning : During recent decades, opinions about how nature should be protected by the public sector have changed. One result is a better awareness of the important role that local actors play in the preservation of valuable areas. LÄS MER
Sammanfattning : The main question of this thesis is if a practice is right because it is prescribed by an ethical theory, or if an ethical theory is right because it follows from certain practices? I propose the following definitions to illustrate the main alternatives: (1) if a practice is determined by an ethical theory and the ethical theory is not determined by practice, it is possible to speak of a top-down model of ethical thinking. (2) If a theory, conversely, is determined by a practice and the practice is not determined by theory, it can be described as a bottom-up model. LÄS MER
5. Representing and Reasoning about Complex Human Activities - an Activity-Centric Argumentation-Based Approach
Sammanfattning : The aim of this thesis is to develop theories and formal methods to endow a computing machinery with capabilities to identify, represent, reason and evaluate complex activities that are directed by an individual’s needs, goals, motives, preferences and environment, information which can be inconsistent and incomplete.Current methods for formalising and reasoning about human activity are typically limited to basic actions, e. LÄS MER